National Instructional Media Institute creator DGT, MSDE, Govt of India text xxu Chennai National Instructional Media Institute 2013,c2007 monographic eng

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181 Contents : Practical -Setting up of gas welding plant and setting of different flames 5 hrs gas welding hand tools -Beading practice on M.s Sheet without and with filler rod fusion run with filler rod in flat position -setting up of Arc welding plant and striking an arc 5 hrs -Depositing straight and weaving beads on MS in flat position -close square butt join on MS sheet by gas welding in flat positon -Open square butt joint MS sheet by gas welding in flat position -Setting up of oxy-acetylene cutting plant and gas cutting on MS plate -Fillet 'T' joint on MS flate by SMAW in flat position -Fillet lap joint on MS by SMAW in flat position -Outside and inside corner join on MS sheet by gas welding in flat position -Brazing with oxy-acetylene flame -Inside corner joint onMS by SMAW in flat position -Outside corner joint on MS by SMAW in flat position -Sigle Vee butt joint on MS SMAW in flat position -Pipe butt joint on MS pipe by oxy-acetylene welding in IG position -Pipe butt joint on MS pipe by SMAW In 1G position -Pipe to plate flange joint on MS by SMAW in Horizontal -Vertical position Theory -Importance of welding in Industry -Type of metals and characteristics -Basic electricity as applied to welding -Safety precautions inmanual metal arc welding -Welding technique on oxy-acetylene welding -Welding regualatory -Types of welding joints and edge preparations -Principle of oxy-acetylene cutting process -Polarity in DC Arc welding -types and application -Choice and storage of electrodes -Metal and their Weldability -Soldering, brazing -Silver soldering -Arc blow and its control -Distortion and methods of control -Necessity of Preheating and post heating while welding alloy steels Welding of low ,Medium and high carbon steels by arc -Inspection and testing of welding -Arc power source , AC Transformers , DC welding generator Industrial Fabrication : Centres of Excellence Industrial Fabrication 671.52 BAS COE19 National Instructional Media Institute (NIMI) BSDU 170630 20190408165231.0 English